A. P. V. K. and J. Prasad, “Effect of Continuous Cropping and Fertilization on Sulphur Fractions and their Contribution to Sulphur Uptake under Rice-Wheat System in Calciorthents”, JISSS, vol. 64, no. 2, Oct. 2016, Accessed: Jul. 16, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/JISSS/article/view/62536